
//打印表格
var idTmr;

function getExplorer() {
    var explorer = window.navigator.userAgent;
    //ie
    if(explorer.indexOf("MSIE") >= 0) {
        return 'ie';
    }
    //firefox
    else if(explorer.indexOf("Firefox") >= 0) {
        return 'Firefox';
    }
    //Chrome
    else if(explorer.indexOf("Chrome") >= 0) {
        return 'Chrome';
    }
    //Opera
    else if(explorer.indexOf("Opera") >= 0) {
        return 'Opera';
    }
    //Safari
    else if(explorer.indexOf("Safari") >= 0) {
        return 'Safari';
    }
}

function method5(tableid) {
    if(getExplorer() == 'ie') {
        var curTbl = document.getElementById(tableid);
        var oXL = new ActiveXObject("Excel.Application");
        var oWB = oXL.Workbooks.Add();
        var xlsheet = oWB.Worksheets(1);
        var sel = document.body.createTextRange();
        sel.moveToElementText(curTbl);
        sel.select();
        sel.execCommand("Copy");
        xlsheet.Paste();
        oXL.Visible = true;

        try {
            var fname = oXL.Application.GetSaveAsFilename("Excel.xls",
                "Excel Spreadsheets (*.xls), *.xls");
        } catch(e) {
            print("Nested catch caught " + e);
        } finally {
            oWB.SaveAs(fname);
            oWB.Close(savechanges = false);
            oXL.Quit();
            oXL = null;
            idTmr = window.setInterval("Cleanup();", 1);
        }

    } else {
        tableToExcel(tableid)
    }
}

function Cleanup() {
    window.clearInterval(idTmr);
    CollectGarbage();
}
var tableToExcel = (function() {
        var uri = 'data:application/vnd.ms-excel;base64,',
            template = '<html><head><meta charset="UTF-8"></head><body><table  border="1">{table}</table></body></html>',
            base64 = function(
                s) {
                return window.btoa(unescape(encodeURIComponent(s)))
            },
            format = function(s, c) {
                return s.replace(/{(\w+)}/g, function(m, p) {
                    return c[p];
                })
            }
        return function(table, name) {
            if(!table.nodeType)
                table = document.getElementById(table)
            var ctx = {
                worksheet: name || 'Worksheet',
                table: table.innerHTML
            }
            window.location.href = uri + base64(format(template, ctx))
        }
    })()
